These are the faces of the RAF Marham 'terror' suspects being hunted by cops after the attempted kidnap of a serviceman.

He managed to fight them off and escape amid fears the pair were plotting a Lee Rigby-style terrorism attack.

The e-fit was released as officers mark the one-week anniversary of the incident by carrying out enquiries near to the scene and around the village.

The suspects, both described as Middle Eastern origin in appearance, remain at large and their vehicle has not yet been located.

Officers said the first suspect is aged between 20-30, about 6ft tall, of athletic but stocky build, with dark hair which was long on top and had a well-groomed beard.

He had a dark skin tone and wore casual clothing.

The second supect is aged between 20-30, but younger than the first suspect and of a slimmer build.

He was about 5ft 10, clean shaven with short dark hair and wore a white t-shirt and dark shorts.

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There was an attempted kidnapping at an RAF base in Norfolk (Image: Getty Images)

Detective Superintendent Paul Durham, from the Norfolk and Suffolk Major Investigation, is leading the enquiry with support from officers at the Metropolitan Police Counter Terrorism Command.

He said: "Today we have released e-fit images of the two suspects seen by the victim during the incident and I would urge anyone who recognises either man to come forward and call police immediately.”

While the victim only witnessed two people during the incident, officers have said it is possible there was at least one other person in the vehicle.

Security was tight following the event (Image: Getty Images)

Det Supt Durham added: "We know that our victim is a member of RAF personnel and we are still investigating how much relevance this was to his attempted abduction.

"It is probable that there would have been a degree of planning involved and in order to achieve this, it is quite possible that there was at least one other person involved.”

"This afternoon officers will be carrying out concerted witness appeals in Marham, seeking information from people who were in the local area last Wednesday (20 July), who may have seen anything unusual and seen the suspects or their vehicle."

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"We’ve carried out extensive enquiries in the area but the purpose of these anniversary checks is to speak with people who regularly use roads in the area as part of a route to work or in their social life who we haven’t necessarily captured as part of our house to house enquiries.

"We know from CCTV enquiries that this road, despite being rural, is well used, so it’s possible someone may have seen the dark-coloured people carrier either being driven by the suspects or parked up in the area on that day.”

The victim, a man in his late 20s, was out running between 2.45pm and 3.26pm when he was approached by the first suspect who grabbed him by the shoulder and wrist before pulling him towards the vehicle.

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Police say one of the suspects likely has facial injuries (Image: Getty)

An armed guard at RAF Marham in Norfolk (Image: PA)

The victim managed to fight off his attacker, head-butting and punching him, which is likely to have caused visible facial injuries.

Det Supt Durham, speaking at a press conference today, said the serviceman was still shaken in the wake of the incident.

He added: "He's received a lot of support from colleagues and our own police officers but it is still very raw in his mind.

"He's still very shaken."

Police close a road close to the base in this file picture (Image: PA)

The suspect was knocked to the floor and it was at this point suspect 2, who was armed with a knife, appeared and went to the aid of his accomplice.

The victim of the attack has told police one of the thugs wielded a “military style” blade with a two and a half inch blade as they tried to snatch him when he went for a run.

The victim was able to run away and get help.

Military bases throughout Britain have been put on high alert after the disturbing incident.

The base is home to four squadrons of Tornado bombers.

It is also home to almost 10,000 people, including members of the RAF, Navy and Army, as well as the civil service and other staff.

Tornados are bombing Islamic State forces in Syria and Iraq and terror experts fear the motive for the attack may have been revenge for Britain’s involvement.

One security source said: “There is a great deal of concern that home grown extremists unable to get out to Syria or Iraq could take on the call to arms from Islamic State.

Fusilier Lee Rigby (Image: Manchester Evening News)

Michael Adebolajo is serving a life sentence for the brutal murder of Lee Rugby (Image: Getty Images)

“For some time now both ISIS and other similar extremist organisations have been trying to encourage attacks, no matter how, small against westerners.

“And because of the links between RAF Marham and British air strikes in Iraq and Syria it is possible a group wanted to make a devastating statement to the world.”

On 22 May 2013 Fusilier Lee Rigby of the Royal Regiment of Fusiliers, was attacked and killed by Michael Adebolajo and Michael Adebowale near the Royal Artillery Barracks in Woolwich, southeast London.